diff options
Diffstat (limited to 'lib/libc/db/btree')
| -rw-r--r-- | lib/libc/db/btree/bt_open.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/db/btree/bt_open.c b/lib/libc/db/btree/bt_open.c index ec6239f..7422ca4 100644 --- a/lib/libc/db/btree/bt_open.c +++ b/lib/libc/db/btree/bt_open.c @@ -383,14 +383,18 @@ static int tmp(void) { sigset_t set, oset; - int fd; + int fd, len; char *envtmp = NULL; char path[MAXPATHLEN]; if (issetugid() == 0) envtmp = getenv("TMPDIR"); - (void)snprintf(path, + len = snprintf(path, sizeof(path), "%s/bt.XXXXXXXXXX", envtmp ? envtmp : "/tmp"); + if (len < 0 || len >= (int)sizeof(path)) { + errno = ENAMETOOLONG; + return(-1); + } (void)sigfillset(&set); (void)_sigprocmask(SIG_BLOCK, &set, &oset); |
